The main brush can be detached to remove all the debris wound on the bushing, and the service life is longer.The filter is washable. It maintains robots cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe.Side brushes are made of high-strength and environment-friendly material, durable in use.5 Arms design helps clean dirt, dust, trash and hair in corners and edges easily.It is made of high-strength and environment-friendly material, durable in use.Side brushes are easy to remove and replace as part of routine maintenanceThe mop is washable, can be reused multiple timesFor best results, spare parts should be replaced every 2 - 3 months.Compatible with Models: For Xiaomi Roborock S7 / T7S, for Roborock Sonic Mopping Technology VibraRise.colour: as shownMaterial: PlasticPackage Contents:1 x Roller brush4 x Filter4 x Wipe4 x Side brush2 x Cleaning brushOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.